skip ocr in case pixScaleRGBToGrayFast fails
fix crash:
Error in pixScaleRGBToGrayFast: depth not 32 bpp
Error in pixGetDepth: pix not defined
Error in pixGetDimensions: pix not defined
Error in pixGetColormap: pix not defined
Error in pixClone: pixs not defined
Error in pixGetDepth: pix not defined
Error in pixGetWpl: pix not defined
Error in pixGetYRes: pix not defined
Please call SetImage before attempting recognition.Segmentation fault (core dumped)
implemented create user page. remark review needed (wip)
Merge commit '9205962a5414c67bbbd966a1a4be9ea0fe7e9e47' into user_management_0_9

Conflicts:
	src/import_doc.c
	src/pageRender.h
	src/web_handler.c
move the generic JS language resouerce to the header of each page.
add missing lang key 'admin user id'